Certified Registered Nurse Infusion

Post-infusion phlebitis is an inflammation of the vein that can develop after intravenous therapy. Typically, it is observed to occur usually 48 hours after the infusion has been completed. This delayed onset allows time for the inflammatory process to initiate in response to irritation from the intravenous catheter or infusion fluid. While phlebitis can indeed occur immediately or within a few hours after an infusion due to direct trauma or an allergic reaction, the most common timing for post-infusion phlebitis is within the 24 to 72-hour window post-infusion. Since it is more prevalent at around the 48-hour mark, recognizing this timing is essential for monitoring and preventing complications after IV therapy. Understanding this aspect helps healthcare providers to educate patients on signs and symptoms to watch for after their treatment and aids in early detection and management of potential phlebitis.